Electrical Systems and Safety Restraint Systems

Explain the principles of electrical inputs, outputs, voltages, and oscilloscope patterns. Which of the following is NOT included?

• Digital

• Fibre optics

• Mechanical components

• Oscilloscope patterns

What is the purpose of using actuators in modern vehicles?

• To increase speed

• To reduce noise

• To replace solenoids

• To enhance safety

The thermal cut out is typically used to ______.

• Supply power

• Protect the circuit

• Lock the doors

• Connect the battery

The accumulator in a pneumatic system ensures a supply when the engine is ____. A) running B) off C) idle D) accelerating.

• running

• off

• idle

• accelerating

The simplest aftermarket alarms are one-piece units with a siren and control module. True or False?

• True

• False

More sophisticated aftermarket alarms are wired into the vehicle's electronics individually. True or False?

• True

• False

What is the purpose of the door light switch in the security system?

• To sense a voltage drop if a door or the boot is opened

• To lock the doors automatically

• To activate the horn

• To start the engine remotely.

Which component is responsible for sensing any movement of the vehicle?

• Door light switch

• Ultrasonic sensor

• Pressure sensor

• Volt drop sensor

Which airbag is located at the passenger's seat?

• SRS knee airbag

• SRS rear-center airbag

• SRS curtain shield airbag

• SRS airbag

Which of the following is not usually locked with the CDL system?

• Fuel filler cap

• Bonnet

• Tailgate

• Panoramic roof